4.24 ct black opal 16.2×8.8×4.6mm$3,500.00 USD USD AUD Out of stock SKU: FR2101 Category: Black Opal Opal Specifications Additional information Weight 4.24 ct Dimensions 16.2 × 8.8 × 4.6 mm Body Tone Black N4 Predominant Colors Blue, Green Brightness B3 Bright Cut Freeform Dome Medium Dome Opal Origin Lightning Ridge Product Enquiry